.top {
    
    display: flex;
    padding: 0 20px;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    background: #fff;

    .userinfo {
      display: flex;
      .user{
        display: flex;
        align-items: center;
        .user_block {
          display: inline-block;
          border: 1px solid #000;
          padding: 2px;
          border-radius: 50%;
          margin-left: 30px;
        }
        .username{
          margin-left: 5px;
        }
      }
      
    }

    .site_title {
      color: #409eff;
    }
  }